Keystones — Capstone
Five GCSE retrieval questions · 15 June 2026 · mathsvault.uk/keystones
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1. Number
Calculate: 1⁄2 + 2⁄4 + 1⁄2
Answer: 3⁄2 -
2. Algebra
Solve: x⁄2 = 9
Answer: x = 18 -
3. Geometry
A right triangle has hypotenuse 13cm and one side 5cm. Find its area
Answer: 30cm² -
4. Ratio
Simplify the ratio 6m:600cm
Answer: 1:100 -
5. Statistics
A spinner has 6 red, 2 blue and 6 green sections. Probability of landing on red?
Answer: 3⁄7